export interface PartyCastPresentationEvent {
  readonly actorGroup: string;
  readonly sourceActorId: string;
  readonly abilityId?: string;
  readonly phase: string;
  readonly instantCast?: boolean;
}

/** Tracks one completed companion cast across multi-pulse channel releases. */
export class PartyCastTelemetry {
  private readonly startedCasts = new Map<string, boolean>();

  record(event: PartyCastPresentationEvent): boolean {
    if (event.actorGroup !== "party" || !event.abilityId || event.abilityId === "party-auto-attack") return false;
    const key = `${event.sourceActorId}\u0000${event.abilityId}`;
    if (event.phase === "cast-start") {
      this.startedCasts.set(key, false);
      return false;
    }
    if (event.phase === "cast-cancel") {
      this.startedCasts.delete(key);
      return false;
    }
    if (event.phase !== "release") return false;
    if (event.instantCast) return true;
    if (!this.startedCasts.has(key) || this.startedCasts.get(key)) return false;
    this.startedCasts.set(key, true);
    return true;
  }
}